Test with Rails 8.0.0.beta1 on CI

.github/workflows/build.yml

@@ -6,6 +6,8 @@ jobs:
  fail-fast: false
  matrix:
  include:
+ - ruby: 3.3
+ gemfile: gemfiles/activerecord80.gemfile
  - ruby: 3.3
  gemfile: Gemfile
  - ruby: 3.2

gemfiles/activerecord80.gemfile

@@ -0,0 +1,11 @@
+source "https://rubygems.org"
+
+gemspec path: ".."
+
+gem "rake"
+gem "minitest"
+gem "activerecord", "~> 8.0.0.beta1"
+gem "pg"
+gem "mysql2"
+gem "trilogy"
+gem "sqlite3"

lib/groupdate/magic.rb

@@ -183,7 +183,7 @@ def time_zone_support?(relation)
  if relation.connection.adapter_name.match?(/mysql/i)
  # need to call klass for Rails < 5.2
  sql = relation.klass.send(:sanitize_sql_array, ["SELECT CONVERT_TZ(NOW(), '+00:00', ?)", time_zone.tzinfo.name])
- !relation.connection.select_all(sql).first.values.first.nil?
+ !relation.connection.select_all(sql).to_a.first.values.first.nil?
  else
  true
  end

test/test_helper.rb

@@ -13,6 +13,10 @@
 if adapter != "enumerable" && ActiveRecord::VERSION::STRING.to_f >= 7.1
  # must come before ActiveRecord::Base.establish_connection
  ActiveRecord.async_query_executor = :global_thread_pool
+
+ if ActiveRecord::VERSION::MAJOR >= 8
+ ActiveRecord::Base.asynchronous_queries_tracker.start_session
+ end
 end
 
 puts "Using #{adapter}"
@@ -33,7 +37,9 @@
  formats: {special: "%b %e, %Y"}
 }
 
-if ActiveSupport::VERSION::STRING.to_f == 7.2
+if ActiveSupport::VERSION::STRING.to_f == 8.0
+ ActiveSupport.to_time_preserves_timezone = :zone
+elsif ActiveSupport::VERSION::STRING.to_f == 7.2
  ActiveSupport.to_time_preserves_timezone = true
 end